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塔里木盆地巴麦地区东段北东向走滑断裂体系特征及油气地质意义

张仲培 徐勤琪 刘士林 周雨双 邱华标 陆红梅 王瀚洲 齐育楷

张仲培, 徐勤琪, 刘士林, 周雨双, 邱华标, 陆红梅, 王瀚洲, 齐育楷. 塔里木盆地巴麦地区东段北东向走滑断裂体系特征及油气地质意义[J]. 石油实验地质, 2023, 45(4): 761-769. doi: 10.11781/sysydz202304761
引用本文: 张仲培, 徐勤琪, 刘士林, 周雨双, 邱华标, 陆红梅, 王瀚洲, 齐育楷. 塔里木盆地巴麦地区东段北东向走滑断裂体系特征及油气地质意义[J]. 石油实验地质, 2023, 45(4): 761-769. doi: 10.11781/sysydz202304761
ZHANG Zhongpei, XU Qinqi, LIU Shilin, ZHOU Yushuang, QIU Huabiao, LU Hongmei, WANG Hanzhou, QI Yukai. Characteristics of NE strike-slip fault system in the eastern section of Bachu-Maigaiti area, Tarim Basin and its oil-gas geological significance[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2023, 45(4): 761-769. doi: 10.11781/sysydz202304761
Citation: ZHANG Zhongpei, XU Qinqi, LIU Shilin, ZHOU Yushuang, QIU Huabiao, LU Hongmei, WANG Hanzhou, QI Yukai. Characteristics of NE strike-slip fault system in the eastern section of Bachu-Maigaiti area, Tarim Basin and its oil-gas geological significance[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2023, 45(4): 761-769. doi: 10.11781/sysydz202304761

塔里木盆地巴麦地区东段北东向走滑断裂体系特征及油气地质意义

doi: 10.11781/sysydz202304761
基金项目: 

中国石化科技部科技攻关项目“中西部大型盆地走滑断裂体系成因及控藏机制研究” P20062-1

详细信息
    作者简介:

    张仲培(1974—),男,博士,高级工程师,从事构造地质学与油气地质学研究。E-mail: zhzhp.syky@sinopec.com

  • 中图分类号: TE122.2

Characteristics of NE strike-slip fault system in the eastern section of Bachu-Maigaiti area, Tarim Basin and its oil-gas geological significance

  • 摘要: 塔里木盆地巴楚—麦盖提地区(简称“巴麦地区”)东段已发现的多个奥陶系油气藏与多期活动断裂密切相关,明确断穿寒武系膏盐层的通源断层是寻找该区油气藏的关键。基于大量新地震资料的断裂构造解析,结合前人研究,对巴麦地区东段的断裂体系,特别是走滑断裂的展布和活动特征进行了再认识。结果表明,巴麦地区在古隆起迁移演化和大型逆冲断裂带活动的同时,还发育一系列起变形调节作用的北东向展布的高角度小断距走滑断层,它们共同构成了该区变形构造体系。该区发育两类走滑断层,一类与北东向和近东西向展布的寒武系盐上滑脱断褶带同时或后期叠加发育,走向与逆冲断裂带走向一致,主要分布在和田古隆起边界和内部;另一类发育于大型逆冲断裂带围限的挤压缩短区,与近东西向逆冲断裂带呈大角度相交,主要分布于和田古隆起和巴楚断隆内。前者主要形成于海西晚期,喜马拉雅晚期局部弱活动,后者主要形成于喜马拉雅晚期。走滑断层叠加上经历过加里东中晚期和海西早期岩溶改造的奥陶系碳酸盐岩,更有利于形成有效的裂缝—溶蚀孔洞型储集体;它们贯通膏盐层上、下地层,活动期与盐下深层烃源岩主要生烃期一致,更有利于输导烃源向上运移到奥陶系聚集成藏。位于源上且与两类高角度走滑断裂连通的规模储集体是奥陶系有利勘探方向。

     

  • 图  1  塔里木盆地巴麦地区断裂体系展布与油气田(藏)分布

    Figure  1.  Distribution of fault system and oil and gas field (reservoir) in Bachu-Maigaiti area, Tarim Basin

    图  2  塔里木盆地巴麦地区古隆起迁移演化及断裂体系形成演化

    Figure  2.  Plane graph of migration and evolution of paleo-uplift and formation and evolution of fault system in Bachu-Maigaiti area, Tarim Basin

    图  3  塔里木盆地巴麦地区东段走滑断层地震解释剖面

    剖面位置见图 1

    Figure  3.  Seismic interpretation profile of NE strike-slip fault in the eastern section of Bachu-Maigaiti area, Tarim Basin

    图  4  塔里木盆地麦盖提斜坡罗南地区断裂解析地震剖面

    剖面位置见图 1

    Figure  4.  Fault analytical seismic profile in Ronan area of Maigaiti Slop, Tarim Basin

    图  5  塔里木盆地玉北8井区北东向走滑断裂地震解释剖面

    剖面位置见图 1

    Figure  5.  Seismic interpretation profile of NE strike-slip fault in well block Yubei 8, Tarim Basin

    图  6  寒武系盐上滑脱断褶带叠加发育的走滑断层解释剖面

    剖面位置见图 1

    Figure  6.  Interpretation profile of strike-slip faults superimposed with Cambrian post-salt decollement zone of bruchfalten

    图  7  塔里木盆地巴麦地区走滑断裂带典型钻井地质剖面

    Figure  7.  Geologic profile of typical drilled wells in strike-slip fault zone in Bachu-Maigaiti area, Tarim Basin

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  • 收稿日期:  2023-04-12
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